21809412

素因数分解:

$2^2\times 3^4\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:910

約数の個数: 60

約数和(自身を含む): 57772176

約数和(自身を除く): 35962764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 83, 108, 162, 166, 249, 324, 332, 498, 747, 811, 996, 1494, 1622, 2241, 2433, 2988, 3244, 4482, 4866, 6723, 7299, 8964, 9732, 13446, 14598, 21897, 26892, 29196, 43794, 65691, 67313, 87588, 131382, 134626, 201939, 262764, 269252, 403878, 605817, 807756, 1211634, 1817451, 2423268, 3634902, 5452353, 7269804, 10904706, 21809412]

約数ペア:

[(1, 21809412), (2, 10904706), (3, 7269804), (4, 5452353), (6, 3634902), (9, 2423268), (12, 1817451), (18, 1211634), (27, 807756), (36, 605817), (54, 403878), (81, 269252), (83, 262764), (108, 201939), (162, 134626), (166, 131382), (249, 87588), (324, 67313), (332, 65691), (498, 43794), (747, 29196), (811, 26892), (996, 21897), (1494, 14598), (1622, 13446), (2241, 9732), (2433, 8964), (2988, 7299), (3244, 6723), (4482, 4866)]